The 1st, 3rd and 9th terms of an A.P are the 1st three terms of a G.P. If the 7th term is 14, calculate: (i) the 20th term of the sequence (ii) the sum of the 1st twelve terms of the G.P (you need not simplify any exponential terms in your answer).

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The 1st, 3rd and 9th terms of an A.P are the 1st three terms of a G.P. If the 7th term is 14, calculate: (i) the 20th term of the sequence (ii) the sum of the 1st twelve terms of the G.P (you need not simplify any exponential terms in your answer).

Mathematics
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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